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Document karma's :runner-ns option #91

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Document karma's :runner-ns option #91

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15 changes: 15 additions & 0 deletions docs/target-karma.adoc
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Original file line number Diff line number Diff line change
Expand Up @@ -35,6 +35,8 @@ The build options are:
`:target`:: `:karma`
`:output-to`:: A path/filename for the js file.
`:ns-regexp`:: (optional) A regex to match the test namespaces, defaults to "-test$
`:runner-ns`:: (optional) A namespace that can contain a start, stop, and init function. Defaults to
`shadow.test.karma`.

So you might have something like this:

Expand Down Expand Up @@ -82,3 +84,16 @@ LOG: 'Testing boo.sample-spec'
HeadlessChrome 0.0.0 (Mac OS X 10.12.6): Executed 1 of 1 SUCCESS (0.007 secs / 0.002 secs)
```

In case you need to perform extra initialization steps before the tests are run you can do so by supplying a custom `:runner-ns`, which might look like this:

```cljs
(ns myapp.karma
(:require [shadow.test.karma]))

(defn ^:export init []
(my-extra-init-step)
(shadow.test.karma/init))
```

Then in the build config add `:runner-ns myapp.karma`.